Download GTU BE/B.Tech 2018 Winter 7th Sem New 2171709 Distributed Control Systems And Scada Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 7th Sem New 2171709 Distributed Control Systems And Scada Previous Question Paper

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Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2171709 Date: 26/11/2018

Subject Name: Distributed Control Systems and SCADA

Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


MARKS

Q.1 (a) Draw block diagram of Direct Digital Control System 03
(b) State full form DCS, MAP, MTBF and SCADA. 04
(c) Explain with a neat figure hierarchical computer system for a large manufacturing
process.
07

Q.2 (a) Define software configuring and sate two phases of software configuration 03
(b) List out 4 peripheral devices which can be connected to DCS. 04
(c) For the following protocols state their network type, advantages and disadvantages
in a tabular form:
Polling, Token Passing, CSMA/CD and ring expansion
07
OR
(c) Classify various types of displays available in DCS, with a neat figure 07
Q.3 (a) Define and explain the concept of availability 03
(b) State any 2 point of difference between position and velocity algorithm 04
(c) Define algorithm and explain dead band control, emergency response and error
squared algorithms in detail
07
OR
Q.3 (a) What does executive program consist of? List out 2 of its functions. 03
(b) List out any 4 production monitoring and control functions. 04
(c) With a neat figure explain in detail the principal programs contained in the
executive software.
07
Q.4 (a) List 7 layers of OSI model 03
(b) Explain in detail alarm access architecture 04
(c) With a neat figure explain the communication hierarchy. 07
OR
Q.4 (a) State the 3 recommended standards (i.e. RS) protocols available in market 03
(b) Define with necessary example super-commutation and sub-commutation 04
(c) With a neat diagram, explain typical SCADA system and its hierarchy 07
Q.5 (a) List out 3 manufacturers of DCS 03
(b) Explain token passing and CSMA/CD bus access methods 04
(c) Explain in detail MODBUS bus access methods, transmission modes, application
services and acceptance
07
OR

Q.5 (a) List out 3 transmission media used in communication. 03
(b) List out and explain 2 different applications covered by fieldbus. 04
(c) Explain in detail FIPBUS bus access methods, features and acceptance. 07

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